PhpSpreadsheet

Translate Excel Formulas Into Another Language In PHP Using PHPSpreadSheet PhpSpreadsheet ships sixteen languages, so you can translate Excel formulas from English into French, German or Dutch with two calls. The argument separator changes with them, and a… August 16, 2026 · PhpSpreadsheet Clear The Formula Calculation Cache In PHP Using PHPSpreadSheet PhpSpreadsheet memoises every formula result it works out, so changing a cell and reading the formula again hands back the previous answer with no error at all. This… August 13, 2026 · PhpSpreadsheet Control Cell Data Types With Value Binders In PHP Using PHPSpreadSheet Every string you write into a spreadsheet passes through a value binder, which decides whether '2026-08-12' becomes a real date or stays text. This article runs the same… August 13, 2026 · PhpSpreadsheet Copy A Worksheet Into Another Excel File In PHP Using PHPSpreadSheet Merging workbooks looks like a job for addSheet(), but across two files that call succeeds silently and then dies on save with a TypeError about an integer. addExternalSheet()… August 11, 2026 · PhpSpreadsheet Guard Against XXE When Reading An Untrusted Excel File In PHP Using PHPSpreadSheet An .xlsx is a ZIP full of XML, so reading one from a stranger means parsing hostile XML on your own server. PhpSpreadsheet’s XmlScanner is already on by… August 10, 2026 · PhpSpreadsheet Reject A Corrupt Or Unreadable Excel File In PHP Using PHPSpreadSheet IOFactory::identify() reports which reader would try, not that the file will actually load. This article manufactures four broken workbooks, watches the usual approach die on the one that… August 10, 2026 · PhpSpreadsheet Print Gridlines In Excel Files In PHP Using PHPSpreadSheet Excel keeps two separate switches for gridlines, and confusing them is why a checklist that looks ruled on screen prints as words in white space. This article sets… August 9, 2026 · PhpSpreadsheet Add Strikethrough, Superscript And Subscript Text In Excel Files In PHP Using PHPSpreadSheet Strikethrough, superscript and subscript all live on the same object – the cell’s Font – so they are one lesson rather than three. This article sets each of… August 9, 2026 · PhpSpreadsheet Download Several Excel Files As One ZIP In PHP Using PHPSpreadSheet Sending one workbook to the browser is straightforward; sending five is not. This article builds several spreadsheets, collects them with PHP’s ZipArchive, and streams the finished archive as… August 9, 2026 · PhpSpreadsheet